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Tree height reduction after selective logging in a tropical forest

Rutishauser Ervan, Hérault Bruno, Petronelli Pascal, Sist Plinio. 2016. Tree height reduction after selective logging in a tropical forest. Biotropica, 48 (3) : pp. 285-289.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q3, Sujet : ECOLOGY

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Abstract : By harvesting scattered large trees, selective logging increases light availability and thereby stimulates growth and crown expansion at early-life stage among remnant trees. We assessed the effects of logging on total and merchantable bole (i.e., lowest branch at crown base) heights on 952 tropical canopy trees in French Guiana. We observed reductions in both total (mean, _2.3 m) and bole (mean, _2.0 m) heights more than a decade after selective logging. Depending on local logging intensity, height reductions resulted in 2–13 percent decreases in aboveground tree biomass and 3–17 percent decreases in bole volume. These results highlight the adverse effects of logging at both tree and stand levels. This decrease in height is a further threat to future provision of key environmental services, such as timber production and carbon sequestration. (Résumé d'auteur)

Mots-clés Agrovoc : forêt tropicale, Plantation forestière, Croissance, Hauteur, Abattage d'arbres, Houppier, Coupe de jardinage, Espacement, Production forestière, Biomasse, Bois, séquestration du carbone, services écosystémiques, Aménagement forestier, Exploitation forestière

Mots-clés géographiques Agrovoc : Guyane française

Mots-clés complémentaires : Éclaircie forestière, Densité de plantation

Mots-clés libres : Carbon sequestration, Forest management, Logging, Tropical forests, Wood production

Classification Agris : K10 - Forestry production
F62 - Plant physiology - Growth and development

Champ stratégique Cirad : Axe 1 (2014-2018) - Agriculture écologiquement intensive

Auteurs et affiliations

  • Rutishauser Ervan, Carbofor-Expert (CHE)
  • Hérault Bruno, CIRAD-ES-UMR Ecofog (GUF) ORCID: 0000-0002-6950-7286
  • Petronelli Pascal, CIRAD-ES-UMR Ecofog (GUF)
  • Sist Plinio, CIRAD-ES-UPR BSef (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/580441/)

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